Dormer Centre Drill

Dormer Centre Drill

Just bought a few Dormer centre drill bits as my box of centre drills are getting very tired.┬áBy tired I mean worn. Not having an accurate sharpening method means for small centre drills (~1/8th inch or 3mm) I tend to throw them away and get new ones. I know that is wasteful and I need … Read more

Centre Drill Profile

warco wm240b tailstock

A look at the Centre Drill Profile. I use centre drills all of the time, usually as a pilot drill in the lathe to give me a good starter for a larger drill. However, why are they the profile they are? A combined countersink and drill used to prepare work for mounting centres. Also used … Read more